Joan Martínez Alier is Professor of Economics and Economic History and deputy-director, ICTA at the Universitat Autònoma de Barcelona. He is the author of Ecological Economics: Energy, Environment and Society (1987) and The Environmentalism of the Poor: A Study of Ecological Conflicts and Valuation (2002). He is a founding member and past-president of the International Society for Ecological Economics. He was a member (2000-08) of the scientific committee, European Environment Agency. He is also co-editor of Getting down to earth: practical applications of Ecological Economics (1996), Rethinking Environmental History. World-System History and Global Environmental Change (2007), Recent Developments in Ecological Economics (2008), and of the series Ecological Economics and Human Well-Being with Oxford U.P., Delhi.